Antifouling device suitable for optical fiber sensor

The utility model discloses an anti-fouling device suitable for an optical fiber sensor, which relates to the technical field of optical fiber sensors and comprises a supporting seat arranged on a scribing machine; the fixing seat is used for fixing the optical fiber sensor; a micro-positive pressure air pipe; the cleaning water pipe is arranged corresponding to the optical fiber sensor and is used for spraying water to wash the optical fiber sensor; the purging air pipe is arranged corresponding to the optical fiber sensor and is used for purging water flow of the optical fiber sensor; a protective cover; the driving part is connected with the protective cover, the micro-positive-pressure air pipe, the blowing air pipe and the cleaning water pipe are all arranged on the fixing seat, the fixing seat is arranged on the supporting seat, the driving part is used for driving the protective cover to cover or open the supporting seat, and the micro-positive-pressure air pipe is used for blowing air when the support